AMPIRE Universal Bluetooth Receiver for vehicles with a 3.5mm jack and a USB port as an AUX input. Simply plug in both connectors and you're good to go – Plug & Play. Powered via USB and music playback via cable. The Bluetooth receiver can be installed out of sight as it has no controls or buttons to operate. All settings such as volume, music selection, and play/pause are controlled from your device (e.g., a mobile phone). Details: Splash-proof, marine certified. Automatic activation. Bluetooth 4.0 CRS I9 chip licensed under QDL A2DP in the highest EDR specification – BT audio streaming also includes uncompressed files such as Wave, FLAC, Lossless, MP3, etc. 3.5 mm jack with 1.0 V signal output SSID display name: BTR300 Connections: USB input (5 VDC power supply) 3.5 mm jack output Technical specifications: Voltage: 5 volts DC Current consumption: 40 mA maximum. Bluetooth 4.0 Frequency range: 20 Hz–20 kHz Output voltage: 1 V RMS Cable length: 300 mm Scope of delivery: Ready-to-use Bluetooth receiver Note: Multiple devices can be connected to the BTR300, but only one device can stream music. The BTR300 always remembers the most recently paired device and connects automatically after being powered on. A connection to another device must be made manually. If the connected device is out of range for more than one minute, the connection is automatically disconnected and the BTR300 enters pairing mode [LED (6) flashes]. BLUETOOTH APPROVAL - Declaration ID D025151 Referenced Qualified Design ID 56386 - Registration date 08 December 2014 If your vehicle does not have a USB interface, you can add one with our USB cigarette lighter charging adapter, part number 38097.